private bool PopulateDirectory(TcpClient tcpClient, DirectoryNode directoryNode, string destinationDir)
{
string directoryPath = destinationDir + "\\" + directoryNode.DirectoryName;
string senderUserName = directoryNode.SenderUserName;
directoryPath = FilesUtils.CreateUniqueDirectory(directoryPath);
foreach (var fileNode in directoryNode.FileNodes)
{
fileNode.SenderUserName = senderUserName;
UpdateDict(tcpClient, fileNode, directoryPath);
//bool completed = ReceiveDirectoryFile(tcpClient, fileNode, directoryPath);
//if (!completed)
// return false;
}
foreach (var innerDirectoryNode in directoryNode.DirectoryNodes)
{
innerDirectoryNode.SenderUserName = senderUserName;
bool completed = PopulateDirectory(tcpClient, innerDirectoryNode, directoryPath);
if (!completed)
{
return(false);
}
}
return(true);
}
private DirectoryNode SendDirectoryNodeDescription(TcpClient tcpClient)
{
// preparing directory node
DirectoryNode directoryNode = FilesUtils.BuildDirectoryNode(_path);
directoryNode.SenderUserName = Properties.Settings.Default.Name;
// sending directory node description
string jsonDirectoryNodeDescription = JsonConvert.SerializeObject(directoryNode);
TcpUtils.SendDescription(tcpClient, jsonDirectoryNodeDescription);
return(directoryNode);
}
private bool ReceiveFileContent(TcpClient tcpClient, FileNode fileNode, string destinationDir)
{
string filePath = destinationDir + "\\" + fileNode.Name;
NetworkStream networkStream = tcpClient.GetStream();
networkStream.ReadTimeout = Constants.TRANSFER_TCP_READ_TIMEOUT * 1000;
long fileContentLenghtReceived = 0;
Byte[] buffer = new Byte[Constants.TRANSFER_TCP_BUFFER];
FileStream fileStream = FilesUtils.CreateUniqueFile(filePath);
fileNode.Name = Path.GetFileName(fileStream.Name);
BinaryWriter fileWriter = new BinaryWriter(fileStream);
DateTime baseDateTime = DateTime.Now;
FileTransfer fileTransfer = new FileTransfer()
{
File = fileNode,
Progress = 0,
ContinueFileTransfer = true,
Status = TransferStatus.Pending,
Sending = false,
DestinationDirectoryPath = destinationDir,
ManagementDateTime = DateTime.Now
};
NewTransferEvent(fileTransfer);
// FILE CONTENT
while (fileContentLenghtReceived < fileNode.Dimension && fileTransfer.ContinueFileTransfer == true)
{
int bytesRead;
if ((fileNode.Dimension - fileContentLenghtReceived) < buffer.Length)
{
buffer = new Byte[fileNode.Dimension - fileContentLenghtReceived];
}
try
{
IsConnected(tcpClient);
bytesRead = networkStream.Read(buffer, 0, buffer.Length);
}
catch (IOException ioe)
{
// sender closed connection
fileWriter.Close();
File.Delete(fileStream.Name);
fileTransfer.Status = TransferStatus.Error;
return(false);
}
fileWriter.Write(buffer, 0, bytesRead);
fileContentLenghtReceived += bytesRead;
Thread.Sleep(Constants.TRANSFER_TCP_RECEIVER_DELAY);
double progress = ((double)fileContentLenghtReceived / (double)fileNode.Dimension) * 100;
fileTransfer.Progress = progress;
TimeSpan remainingTimeSpan = TcpUtils.ComputeRemainingTime(baseDateTime, bytesRead, fileContentLenghtReceived, fileNode.Dimension);
fileTransfer.RemainingTime = remainingTimeSpan;
baseDateTime = DateTime.Now;
}
fileWriter.Close();
if (!fileTransfer.ContinueFileTransfer)
{
File.Delete(fileStream.Name);
fileTransfer.Status = TransferStatus.Canceled;
return(false);
}
else
{
fileTransfer.Status = TransferStatus.Completed;
return(true);
}
}
